<!DOCTYPE html>
<html>
<head>
<style>
	* { margin:0; padding:0; border:0 none; font:24px Consolas; }
	textarea { width:200px; height:100px; background:wheat; overflow:auto; resize:none; }
</style>
</head>
<body>
Need wordwrapping:<br />
<textarea style="word-wrap:break-word;">ABCDEFGHIJKLMNOPQRSTUVWXYZ</textarea>
<br />
Do not need wordwrapping:<br />
<textarea wrap="off">ABCDEFGHIJKLMNOPQRSTUVWXYZ</textarea>
</body>
</html>